11200001200021 has 8 divisors (see below), whose sum is σ = 11562362496000. Its totient is φ = 10837706837520.

The previous prime is 11200001200013. The next prime is 11200001200039. The reversal of 11200001200021 is 12000210000211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11200001200021 - 2³ = 11200001200013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200001199980 and 11200001200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200001200001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16393186 + ... + 17062723.

It is an arithmetic number, because the mean of its divisors is an integer number (1445295312000).

Almost surely, 2^{11200001200021} is an apocalyptic number.

It is an amenable number.

11200001200021 is a deficient number, since it is larger than the sum of its proper divisors (362361295979).

11200001200021 is a wasteful number, since it uses less digits than its factorization.

11200001200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33466739.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11200001200021 its reverse (12000210000211), we get a palindrome (23200211200232).

The spelling of 11200001200021 in words is "eleven trillion, two hundred billion, one million, two hundred thousand, twenty-one".